Question
41
Tujuan penggunaan tegangan sinusoidal pada sistem kelistrikan kapal adalah....
The main purpose of using sinusoidal voltage in a shipboard electrical system is to...
Options
a
Menghasilkan energi listrik yang stabil dan mudah ditransformasikan
Provide stable electrical power that can be easily transformed
b
Mengurangi berat generator
Reduce generator weight
c
Mengurangi ukuran kabel
Reduce cable size
d
Menghilangkan hambatan penghantar
Eliminate conductor resistance
Grade
Ungraded
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Question
42
Bentuk gelombang sinusoidal dihasilkan oleh....
A sinusoidal waveform is produced by a rotating...
Options
a
Generator AC yang berputar
AC generator
b
Motor DC
DC motor
c
Baterai
Battery
d
Resistor
Resistor
Grade
Ungraded
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Question
43
Manfaat utama tegangan sinusoidal adalah....
A major advantage of sinusoidal voltage is that it can be...
Options
a
Mudah dinaikkan dan diturunkan menggunakan transformator
Easily stepped up or stepped down using a transformer
b
Tidak memiliki frekuensi
Operated without frequency
c
Tidak memiliki nilai RMS
Operated without an RMS value
d
Tidak menghasilkan medan magnet
Produced without a magnetic field
Grade
Ungraded
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Question
44
Dalam kapal niaga, frekuensi tegangan sinusoidal umumnya adalah....
The electrical frequency commonly used on merchant ships is...
Options
a
50 Hz atau 60 Hz
50 Hz or 60 Hz
b
25 Hz
25 Hz
c
400 Hz
400 Hz
d
100 Hz
100 Hz
Grade
Ungraded
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Question
45
Tegangan maksimum (Vm) adalah....
Maximum voltage (Vm) is...
Options
a
Nilai puncak tertinggi gelombang sinus
The highest peak value of a sinusoidal waveform
b
Nilai rata-rata tegangan
The average voltage value
c
Nilai efektif
The effective voltage value
d
Nilai minimum
The minimum voltage value
Grade
Ungraded
Last Update
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Question
46
Hubungan antara tegangan maksimum dan tegangan RMS adalah....
The relationship between maximum voltage and RMS voltage is...
Options
a
Vm = Vrms × ?2
Vm = Vrms × ?2
b
Vm = Vrms
Vm = Vrms
c
Vm = Vrms/2
Vm = Vrms/2
d
Vm = 2Vrms
Vm = 2Vrms
Grade
Ungraded
Last Update
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Question
47
Jika tegangan RMS sebesar 220 Volt maka tegangan maksimumnya sekitar....
If the RMS voltage is 220 V, the approximate maximum voltage is...
Options
a
311 Volt
311 V
b
110 Volt
110 V
c
220 Volt
220 V
d
440 Volt
440 V
Grade
Ungraded
Last Update
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Question
48
Pada rangkaian R-L, tegangan total diperoleh dari....
In an R-L circuit, the total voltage is obtained by...
Options
a
Penjumlahan vektor
Vector addition
b
Penjumlahan biasa
Arithmetic addition
c
Pengurangan
Subtraction
d
Pembagian
Division
Grade
Ungraded
Last Update
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Question
49
Persamaan tegangan total R-L adalah....
The total voltage equation for an R-L circuit is...
Options
a
V = ?(VR² + VL²)
V = ?(VR² + VL²)
b
V = VR + VL
V = VR + VL
c
V = VR × VL
V = VR × VL
d
V = VR ? VL
V = VR ? VL
Grade
Ungraded
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Question
50
Induktor menyebabkan....
An inductor causes the current to...
Options
a
Arus tertinggal terhadap tegangan
Lag behind the voltage
b
Arus mendahului tegangan
Lead the voltage
c
Tegangan nol
Become zero
d
Hambatan nol
Eliminate resistance
Grade
Ungraded
Last Update
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